Compilare: user.cpp: In function 'int main()': user.cpp:10: warning: format '%u' expects type 'unsigned int*', but argument 2 has type 'long unsigned int*' user.cpp:10: warning: format '%u' expects type 'unsigned int*', but argument 3 has type 'long unsigned int*' user.cpp:13: warning: format '%u' expects type 'unsigned int*', but argument 2 has type 'long unsigned int*' user.cpp:17: warning: format '%u' expects type 'unsigned int*', but argument 2 has type 'long unsigned int*' user.cpp:37: warning: format '%d' expects type 'int', but argument 2 has type 'long unsigned int'